Western Tiger Swallowtail Butterfly (Papilio rutulus)
Western Tiger Swallowtail Butterfly Coloration and Size
The Western Tiger Swallowtail is a beautiful, common butterfly, yellow with black stripes. It is similar to the Eastern Tiger Swallowtail, distinguished by location.
The wingspan is in the 2 1/4" - 3 7/8" range. Life span is about 6-14 days.
Distribution and Habitat
The Western Swallowtail is often seen in meadows, woodland edges, streamsides and suburban gardens in the Western United States.
It can also frequently seen puddling at mud spots in large numbers.
Nectar and Host Plants Used by the Western Tiger Swallowtail
The Western Tiger Swallowtail utilizes a large variety of host plants, mostly trees, including Cottonwood, aspens, poplars, alders, ashes, and willows.
Photos of Western Tiger Swallowtail Butterflies
Western Tiger Swallowtail Butterfly, along the California coast at Hearst Castle, May 15, 2013 |
![]() |
Photo by the author at ButterfliesAtHome.com |
The Western Tiger Swallowtail Butterfly at Lodi Lake, California |
By Calibas at en.wikipedia (Own work) [Public domain], via Wikimedia Commons |
The Western Tiger Swallowtail Butterfly in Vancouver, Washington |
![]() |
By Mrpaulin (Own work) [Public domain], via Wikimedia Commons |